52541720 has 96 divisors (see below), whose sum is σ = 150083280. Its totient is φ = 16369920.

The previous prime is 52541717. The next prime is 52541737. The reversal of 52541720 is 2714525.

It is a self number, because there is not a number n which added to its sum of digits gives 52541720.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20342 + ... + 22778.

Almost surely, 2^52541720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52541720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75041640).

52541720 is an abundant number, since it is smaller than the sum of its proper divisors (97541560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52541720 is a wasteful number, since it uses less digits than its factorization.

52541720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473 (or 2462 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 52541720 is about 7248.5667548833. The cubic root of 52541720 is about 374.5427790535.

The spelling of 52541720 in words is "fifty-two million, five hundred forty-one thousand, seven hundred twenty".